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在存在障碍物时,通过使用终端滑动模式控制器控制气动 actuated 连续操纵器的轨迹跟踪控制
Mrunal Kanti Mishra1, Goutam Chakraborty1, Arun Kumar Samantaray1
1Systems, Dynamics and Control Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, 721302 Kharagpur, West Bengal, India.
ISA transactions
|September 5, 2023
概括
本研究提出了气动连续操纵器的新控制策略,解决了材料歇斯底里对于精确的运动. 拟议的方法确保了准确的轨迹跟踪,尽管干扰和不确定性.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 材料科学 材料科学 材料科学
背景情况:
- 气动连续操纵器提供独特的遵守和灵巧.
- 这些系统中的物质歇斯底里对于精确的运动控制构成重大挑战.
- 现有的控制策略经常与模型不确定性和外部干扰作斗争.
研究的目的:
- 为气动连续操纵器开发一个高效的轨迹规划和动态跟踪控制方案.
- 准确地建模和补偿材料歇斯底里效应.
- 为了提高操纵器控制的精度和稳定性.
主要方法:
- 开发了使用离散Cosserat-rod理论的通用非线性动态方程.
- 用分数顺序的Bouc-Wen模型建模材料歇斯底里.
- 提出了一个与PI控制器相结合的自适应终端滑动模式控制器.
主要成果:
- 控制器保证了操纵器尖端位置错误的有限时间指数趋同.
- 证明了对外部干扰和模型不确定性的稳定性,而不需要绑定估计.
- 在双段操纵器上的数值模拟显示出与现有方法相比,性能优越.
结论:
- 拟议的控制方案有效地解决了气动连续操纵器的轨迹规划和动态跟踪挑战.
- 分数顺序歇斯底里模型和自适应滑动模式控制的整合产生了显著的性能改进.
- 这项工作为控制符合hysteresis的机器人系统提供了强大的和高效的解决方案.
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